_____ it is to jump into a river to swim on such a hot day.
is known to everybody, the moon travels round the earth once every month.
—We want someone to design the new art museum for us? —the young fellow have a try?
The little pet cat felt freezing cold, so she stood_______ to her mother.
Her _______ smile suggested that she was very _______ with the answer.
The world will be different and we will have to be more ready to_____ the changes.